Class / Patent application number | Description | Number of patent applications / Date published |
361532000 | Cathode type electrode | 28 |
20080232038 | Method For Electrophoretic Deposition Of Conductive Polymer Into Porous Solid Anodes For Electrolyte Capacitor - The invention discloses a method for forming a conductive polymer with an electrophoretic deposition cell, into porous anode for electrolytic capacitors. The conductive polymer is directly deposited on the oxide layer of the anode body. The electrolytic polymerized conductive polymer material form the cathode in solid electrolyte capacitors. The method allows low ESR capacitors to be produced. The invention provides a high yield and low cost industrial process with efficient materials utilization. The present invention successfully deposits particles from dispersion on continuous, highly insulating dielectric layers using electrophoretic deposition by use of EPD voltage near or above the anode dielectric formation voltage, where the anode body is positively biased relative to the EPD counter electrode, thereby allowing a current to be driven through the dielectric layer. | 09-25-2008 |
20080259529 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes an anode substrate, a dielectric layer provided on the anode substrate, a first cathode layer provided on the dielectric layer, and a second cathode layer provided on the first cathode layer. The first cathode layer is a layer made of polyethylenedioxythiophene and polypyrrole. The second layer is a layer made of polypyrrole. | 10-23-2008 |
20080297984 | Conductive paste for solid electorlytic capacitor electrode and process for producing solid electolytic capacitor electrode using the same - A conductive paste for a solid electrolytic capacitor electrode contains an electroconductive powder having a mean particle size of no more than 1 μm and at least 90% thereof having a particle size of at least 0.3 μm; an organic binder; and a solvent. | 12-04-2008 |
20090161299 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor including an anode body, a dielectric layer arranged on the anode body, a conductive polymer layer arranged on the dielectric layer, and a cathode layer including a carbon layer arranged on the conductive polymer layer and a silver layer arranged on the carbon layer. The conductive polymer layer includes ridges and valleys formed in a surface that faces toward the cathode layer. The silver layer includes a first silver layer, which is arranged on the carbon layer, covers the ridges and valleys, and mainly contains spherical silver particles, and a second silver layer, which is arranged on the first silver layer and mainly contains silver flakes. | 06-25-2009 |
20100254072 | Solid electrolytic capacitor and its manufacturing method - In a solid electrolytic capacitor whose cathode is formed by forming an oxide film | 10-07-2010 |
20110182003 | ELECTRODE FOIL FOR CAPACITOR, MANUFACTURING METHOD THEREFOR, AND SOLID ELECTROLYTIC CAPACITOR USING THE ELECTRODE FOIL - An electrode foil for capacitor includes a substrate made of a valve metal foil, a first rough surface layer made of a valve metal formed on the first surface of the substrate by vapor deposition, and a second rough surface layer made of a valve metal formed on the second surface of the substrate by vapor deposition. The mode of diameters of pores of the first and second rough surface layers ranges from 0.02 μm to 0.10 μm. The thickness of the first rough surface layer is larger than the thickness of the second rough surface layer. The electrode foil has the rough surface layers formed by vapor deposition fabricated stably so that a solid electrolytic capacitor with high capacitance can be obtained using the foil. | 07-28-2011 |
20110216478 | ELECTRODE FOIL FOR CAPACITOR AND ELECTROLYTIC CAPACITOR USING THE ELECTRODE FOIL - An electrode foil for capacitor includes a substrate made of valve metal and a rough-surface layer on the substrate. The rough-surface layer includes a base layer on the substrate and a cover layer on the base layer. The base layer includes first fine particles made of valve metal. The cover layer includes second fine particles made of valve metal. The first fine particles have an average particle diameter larger than that of the second fine particles. This electrode foil has the rough-surface layer that can be produced stably by vapor deposition and provides an electrolytic capacitor having a large capacitance. | 09-08-2011 |
20110310531 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The capacitor element has an element body. An outer circumference of the element body is defined by first to fourth side surfaces. An exposed surface of a cathode layer is defined at least on the second and third side surfaces. The cathode terminal has first and second terminal component parts. The first terminal component part extends along the third side surface. The second terminal component part adjoins the first terminal component part while extending above the second side surface. A first conductive adhesive is interposed between the first terminal component part and the third side surface. A second conductive adhesive is interposed between the second terminal component part and the second side surface. The second conductive adhesive extends along the second side surface to reach the peripheral edge of the fourth side surface. | 12-22-2011 |
20120134075 | ELECTROCHEMICAL DEVICE - In an exemplified lithium ion capacitor, a negative electrode | 05-31-2012 |
20120206860 | PROCESS FOR PRODUCING ELECTROLYTIC CAPACITORS AND CAPACITORS MADE THEREBY - A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer. | 08-16-2012 |
20130100586 | SOLID ELECTROLYTE CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - In a solid electrolytic capacitor, resistance welding is carried out to bond a valve metal substrate and a spacer together while controlling a welding current so that only a bonding material provided in spacers and having a relatively low melting point is melted. At least a portion of the bonding material provided in the spacer penetrates an etching part of the valve metal substrate, and thickness Ta of a core part located at a positive electrode part in the valve metal substrate and thickness Tc of the core part located at a negative electrode part satisfy the requirement of |Tc−Ta|/Tc×100≦10 [%]. | 04-25-2013 |
20140036417 | SOLID-STATE ELECTROLYTIC CAPACITOR MANUFACTURING METHOD AND SOLID-STATE ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor having grooves provided in a valve-acting metal substrate that includes a porous surface part and a non-porous body part, the bottoms of the grooves being non-porous. The valve-acting metal substrate is divided into a plurality of unit regions by the grooves, and define cathode layer formation parts in the porous surface parts for each unit region. A dielectric layer covers the surfaces of the cathode layer formation parts of the valve-acting metal substrate and the grooves between the cathode layer formation parts. A solid electrolyte layer and a cathode extraction layer cover the surface of the dielectric layer, thereby providing a sheet in which a plurality of solid electrolytic capacitor elements are prepared integrally with the grooves interposed therebetween. The sheet is cut at the grooves, and a dielectric layer is formed on the cut surfaces located around the cathode layer formation parts. | 02-06-2014 |
20140078646 | Solid Electrolytic Capacitor with Interlayer Crosslinking - A method for preparing a solid electrolytic capacitor and an improved solid electrolytic capacitor is provided. The method includes providing an anode, forming a dielectric on the anode and forming a cathode on the dielectric wherein the cathode comprises interlayers. At least one interlayer comprises a monomer, oligomer or polymer with multifunctional or multiple reactive groups and an adjacent layer comprises a molecule with crosslinkable functionality. The oligomer or polymer with multifunctional or multiple reactive groups on one layer react with the crosslinkable functionality in the adjacent layer. | 03-20-2014 |
20140126114 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - A solid electrolytic capacitor includes a porous sintered body made of a valve metal, a dielectric layer on the porous sintered body, a solid electrolyte layer on the dielectric layer, and a cathode layer on the solid electrolyte layer. The solid electrolyte layer includes an inner electrode layer covering the dielectric layer inside the porous sintered body and an outer electrode layer covering the inner electrode layer outside the porous sintered body. The outer electrode layer includes a solid particle containing layer formed by applying a dispersion material liquid containing a conductive polymer dispersion material, solid particles and a solvent to the inner electrode layer and then removing the solvent. | 05-08-2014 |
20140160632 | Linear-Hyperbranched Polymers as Performance Additives for Solid Electrolytic Capacitors - Provided herein is an improved capacitor and a method for forming an improved capacitor. The method includes providing an anode and forming a dielectric on the anode. A linear-hyperbranched polymer is formed and a conductive polymer dispersion is prepared comprising at least one conducting polymer, one polyanion and the linear-hyperbranched polymer. A layer of the conductive polymer dispersion if formed wherein said dielectric is between the anode and the layer. | 06-12-2014 |
20140160633 | Solid Electrolytic Capacitor and Method of Manufacturing a Solid Electrolytic Capacitor - Provided is a method for forming a capacitor. The method includes:
| 06-12-2014 |
20140301022 | Process for Producing Electrolytic Capacitors and Capacitors Made Thereby - A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer. | 10-09-2014 |
20150009606 | CONDUCTIVE PASTE AND SOLID ELECTROLYTIC CAPACITOR INCLUDING THE SAME - A solid electrolytic capacitor that includes a valve action metal base, an insulating layer, a solid electrolyte layer, a carbon layer and an electrode layer sequentially formed in one of two parts of the valve action metal base. The electrode layer is formed from a conductive paste that includes at least a conductive filler, a thermosetting resin containing a phenoxy resin, and a curing agent. | 01-08-2015 |
20150029642 | Conductive Polymer Composition with a Dual Crosslinker System for Capacitors - A capacitor with improved electronic properties is described. The capacitor has an anode, a dielectric on said anode and a cathode on the dielectric. The cathode has a conductive polymer defined as —(CR | 01-29-2015 |
20160118194 | SOLID ELECTROLYTIC CHIP CAPACITOR AND MANUFACTURING METHOD THEREOF - A solid electrolytic chip capacitor is provided which comprises a substrate layer, an electrical insulating block, a conductive polymer layer, a patterned reinforcement layer, and an electrode layer. The electrical insulating block is formed on the substrate layer to define an anode region and a cathode region on the substrate layer. The conductive polymer layer is formed to cover the cathode region of the substrate layer. The patterned reinforcement layer is formed to cover the conductive polymer. The electrode layer is formed to cover the patterned reinforcement layer. Whereby, the mechanical strength of the chip solid electrolytic capacitor can be improved without loss of capacitance. | 04-28-2016 |
20160254099 | Linear-Hyperbranched Polymers as Performance Additives for Solid Electrolytic Capacitors | 09-01-2016 |
361533000 | With significant lead | 7 |
20080247122 | CAPACITOR WITH IMPROVED VOLUMETRIC EFFICIENCY AND REDUCED COST - A surface mount capacitor is provided. The surface mount capacitor includes a capacitive element including an anode and a cathode, the anode having an exposed portion, an encapsulation material partially surrounding the capacitive element, a non-conductive substrate in contact with the encapsulation material, an anode termination connected to the non-conductive substrate, a cathode termination connected to the non-conductive substrate, and a first conductive path between the exposed portion of the anode and the anode termination comprising a first external conductive connection on a first external surface of the capacitor. The capacitor may also include a second conductive path between the cathode and the cathode termination. The second conductive path includes a second external conductive connection on a second external surface of the capacitor. The second conductive path may further include a conductive adhesive between the cathode and the second external conductive connection. | 10-09-2008 |
20090154068 | Solid electrolytic capacitor and method of manufacturing the same - Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one side is inserted into the capacitor element and the other side projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; an anode lead frame fixed to the side of the capacitor element, where the anode wire projects outward, and having an insertion portion into which the projecting end of the anode wire is inserted; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire, the outer surface of the anode lead frame, and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire and the anode lead frame; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the conductive bumps. | 06-18-2009 |
20090185331 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a cathode terminal structured such that the cathode terminal's flat portion connected to a cathode portion has a divided structure made up of a first flat portion and a second flat portion spaced from each other by a predetermined distance to form a slit. Therefore, even if the cathode terminal is caused to be peeled off from the cathode portion, the peeling can be restricted to only one of the first and second flat portions, so that the peeled-off area can be prevented from increasing. Accordingly, the reliability of the state of fixture of the cathode terminal to the cathode portion is improved, so that the solid electrolytic capacitor can be provided having the structure with which the reliability of the solid electrolytic capacitor can be improved. | 07-23-2009 |
20100142125 | SOLID ELECTROLYTIC CAPACITOR - The present invention relates to a solid electrolytic capacitor with increased capacitance. | 06-10-2010 |
20110019341 | SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREOF - An object of the present invention is to provide a solid electrolytic capacitor having reduced leakage current and a manufacturing method thereof. The solid electrolytic capacitor of the present invention includes a capacitor element including: an anode | 01-27-2011 |
20110228448 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor including a capacitor element having an anode member and a cathode member, an anode terminal electrically connected with the anode member, a cathode terminal electrically connected with the cathode member, and a mold resin portion covering the capacitor element; wherein the cathode terminal has an upper step portion, a lower step portion, and a side portion, the upper step portion is connected with the cathode member, the lower step portion is exposed out of the mold resin portion, the side portion is extended along with a side surface of the cathode member from the upper step portion and is connected with the side surface, and the side portion is longer than the upper step portion, in a direction in which the cathode terminal and the anode terminal are aligned. | 09-22-2011 |
20110261505 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor is provided that includes a capacitor element having a dielectric coating, a solid electrolyte, and a cathode lead portion formed in order on a surface of an anode portion having an anode lead portion. The cathode lead portion is electrically connected to a cathode terminal by a connecting portion, and the connecting portion is formed of a sintered body of a metal. | 10-27-2011 |